#container {
    height: 22px;
    border: 1px solid #5e2d00;
    background: lightblue;
    text-align: center;
    cursor: pointer;
    position: fixed;
    width: 98.5%;
    z-index: 1;
    /* 确保显示在最上层 */
}

#container div {
    width: 20px;
    height: 100%;
    margin: 0 50%;
    background: url("../../图片素材/icon_arrow_down_black.png") no-repeat;
    background-size: 20px;
}

#frame {
    width: 97.7%;
    top: 22px;
    position: fixed;
    background-color: lightblue;
    display: none;
    border: 1px solid #5e2d00;
    padding: 1px;
    text-align: center;
    z-index: 1;
}

#links {
    position: relative;
    display: block;
}

#links a {
    display: inline-block;
    margin-bottom: 5px;
}